Hytera VM550 - Silent Mode; Flashlight; Viewing Device Information

press the
Emergency
key again.
The method to send and cancel an emergency alarm can be set by your dealer.
4.13 Silent Mode
With this feature enabled, the product gives no alert tones, the indicator will not light up. You can
program this feature through the RVM Manager.
In power-on mode, press and hold or press the
P1
/
P2
key to enable the Silent Mode; press and hold or
press the
P1
/
P2
key again to disable the Silent Mode.
4.14 Flashlight
In power-on mode, press and hold the
Photo Taking
key for three seconds to turn on the flashlight;
press and hold the
Photo Taking
key for three seconds again to turn off the flashlight.
4.15 Viewing Device Information
When the OLED screen is on, press and hold the
P1
key and
P2
key simultaneously for three seconds; the
screen displays the device information, including device ID, storage, software version and etc.